Engineered Mg-modified biochar-based sorbent for arsenic separation and pre-concentration - Fristak, Vladimir; Beliancinova, Kristina; Poltakova, Lucia; Moreno-Jimenez, Eduardo; Zimmerman, Andrew R; Duriska, Libor; Cernickova, Ivona; Laughinghouse IV, Haywood Dail; Pipiska, Martin (Scientific Reports, 2024)